Sure, the most important reason to wear sunglasses is to guard against eye diseases like macular degeneration, and protect the skin around your eyes from wrinkle-causing UV-damage...but it doesn't hurt to care that they're cute and can help you express your personal style, either.

When it comes to the latter (cool-factor, IYW), the trickiest part of shopping for new sunglasses might just be figuring out what types of frames best suit your face shape. Most people's faces fall into one of five shapes: heart, square, round, diamond, or oval. Don't already know which one you are? Below, you'll find a breakdown of the common features associated with each, plus an example image for comparison's sake. And trust, you'll want to figure out your face shape before you buy a new pair of frames because doing so will lessen your chances of winding up with buyer's remorse—especially when shopping online.

For instance, oval shaped lenses can balance out the strong jawline of a square-shaped face. Meanwhile, people with oval-shaped faces can rock an oversized frame like none other because the extra length above and below the frames prevents them from being swallowed by their sunnies. (Lucky you!)

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But if you're worried about getting it wrong, don't be! Many online retailers offer the option to try sunglasses on at home. So you can shop your heart-shaped face out (in your sweatpants if you want to!) and not make any commitments right away. Let the shopping begin!

Jump To Your Face Shape
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Heart

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HEART-SHAPED FACE

A heart-shaped face typically has a wide forehead and cheekbones with a narrow chin. Try choosing sunglasses that direct the eye downward to give the appearance of an elongated face.

STYLES TO LOOK FOR: cat eye, square cat eye, flat top, rectangular frames, and aviators


Women's SUPER by RetroSuperFuture® flat-top sunglasses
J.Crew Women's SUPER by RetroSuperFuture® flat-top sunglasses
$170 at J Crew

RECTANGLE 1969
ray ban RECTANGLE 1969

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SQUARE-SHAPED FACE

A square-shaped face has a strong jawline and minimal curves to the cheekbones. The forehead tends to be broad. Choose any curved frame to soften sharp features and add some juxtaposition.

STYLES TO LOOK FOR: oversized round, oval, cat eye, rectangle

Nowhere Sunglasses
Le Specs Nowhere Sunglasses
Now 20% Off

BP. 51mm Rectangular Sunglasses
BP. 51mm Rectangular Sunglasses
$15 at Nordstrom
Credit: Courtesy

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ROUND-SHAPED FACE

A round-shaped face has full cheekbones with a narrow forehead and jaw. The length of the face is the same size as the width of the face. As such, you can really play with extremes...just avoid oversized or round styles as neither will highlight your features, FWIW.

STYLES TO LOOK FOR: wide rectangular frames, slim cat eye, retro square and a classic wayfarer

Icy Sunglasses
Quay Icy Sunglasses

Vintage Retro Cateye Sunglasses for Women Bold Colorful Cat Eye UV400 Protection (Tortoise Shell Brown, 65)
Freckles Mark Vintage Retro Cateye Sunglasses for Women Bold Colorful Cat Eye UV400 Protection (Tortoise Shell Brown, 65)
Credit: Courtesy

Women's Square Sunglasses with Smoke Gradient Lenses - A New Day™ Brown
A New Day Women's Square Sunglasses with Smoke Gradient Lenses - A New Day™ Brown

Warby Parker Perkins
Warby Parker Perkins

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DIAMOND-SHAPED FACE

A diamond-shaped face can be found when the width of the forehead is smaller than the width of the cheekbones. This face shape will also have a narrow chin that comes to a slight point. Lucky you...pretty much any frame style compliments your face shape!

STYLES TO LOOK FOR: anything! experiment with fun shapes and styles

Chezi Women's Glitter Shell-effect Acetate Moon Star Accent Round Sunglasses, Pink, Medium
Chezi Women's Glitter Shell-effect Acetate Moon Star Accent Round Sunglasses, Pink, Medium
Credit: Courtesy

JUSLINK Oversized Sunglasses for Women Men, Square Flat Top Fashion Shades (Black)
JUSLINK Oversized Sunglasses for Women Men, Square Flat Top Fashion Shades (Black)
Credit: Courtesy

48mm Tiny Wire Oval Sunglasses
BP. 48mm Tiny Wire Oval Sunglasses
Now 60% Off

FEISEDY Vintage Slender Oval Sunglasses Small Metal Frame Candy Colors B2277
FEISEDY Vintage Slender Oval Sunglasses Small Metal Frame Candy Colors B2277
Now 30% Off
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Adulation Gray Cat Eye Sunglasses
Le Specs Luxe Adulation Gray Cat Eye Sunglasses

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OVAL-SHAPED FACE

An oval-shaped face, well...looks like an oval! This face shape has a balanced forehead, cheekbones and jawline. Ovals can rock all different sunglass shapes, so break out of your comfort zone and try something new.

STYLES TO LOOK FOR: something edgy and stylish...any shape looks good on you!

Prada Women's Cinema Round Brow Bar Sunglasses, Pale Gold/Pale Gold, One Size
Prada Women's Cinema Round Brow Bar Sunglasses, Pale Gold/Pale Gold, One Size
Credit: Courtesy

Sopaila Rimless Sunglasses for Women Round Flower Shaped Girls Fashion Vintage Eyewear,tea
Sopaila Rimless Sunglasses for Women Round Flower Shaped Girls Fashion Vintage Eyewear,tea
Credit: Courtesy

57MM The Coupe Cateye Sunglasses
Le Specs Luxe 57MM The Coupe Cateye Sunglasses

RB1972 54MM Octagonal Metal Sunglasses
Ray-Ban RB1972 54MM Octagonal Metal Sunglasses

Half-Rim Wire Sunglasses
Tory Burch Half-Rim Wire Sunglasses